f442d0543f6df79be9fbaed90af2dedbcf2e4774561421763577b148a9ff8554

max time kernel
1560s
max time network
1560s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 01:54

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General

Target

v2.bin(1).zip
Size

73KB
MD5

620fd461cab821f478f7cce1bf06d1ac
SHA1

a083516b5a275a2e9141f68a99ab4878632c5552
SHA256

f442d0543f6df79be9fbaed90af2dedbcf2e4774561421763577b148a9ff8554
SHA512

9ad7d4f17e156e21885c89b242430a06652ea8bdc45b22dc64f23efe8c2f6391ac5556c5e2bd14cf46d5bd8cb8dbb89f714466eef348dcb19ad16f3175dd3117
SSDEEP

1536:yJrdZ1PgFel3BJmc11f0MPxwX5o2CfFGm8SXZRObA:yJJZ1cKxJm+bZGCfFjpRObA

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\.reloc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\.reloc\ = "reloc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000_CLASSES\reloc_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2708	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	7zFM.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	2708	7zFM.exe
Token: 35	2708	7zFM.exe
Token: SeSecurityPrivilege	2708	7zFM.exe
Token: SeSecurityPrivilege	2708	7zFM.exe
Token: SeSecurityPrivilege	2708	7zFM.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2708	7zFM.exe
2708	7zFM.exe
2708	7zFM.exe
2708	7zFM.exe
2708	7zFM.exe
2708	7zFM.exe
2708	7zFM.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 1128	2708	7zFM.exe	31
PID 2708 wrote to memory of 1128	2708	7zFM.exe	31
PID 2708 wrote to memory of 1128	2708	7zFM.exe	31
PID 1128 wrote to memory of 2816	1128	rundll32.exe	32
PID 1128 wrote to memory of 2816	1128	rundll32.exe	32
PID 1128 wrote to memory of 2816	1128	rundll32.exe	32

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\v2.bin(1).zip"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\7zO49AA7AB7\.reloc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7zO49AA7AB7\.reloc
    3⤵
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zO49AA7AB7\.reloc

Filesize
2KB

MD5
37eca68cd795bb195a682fc3801d35aa

SHA1
b3d93cdff6b2040cf1b055a1db1755e44ea7622e

SHA256
3b67482ffde6defd3650261ad65d1a70d63226614d783bcec445db47ef4dd200

SHA512
70369edf9d747347691fc0a446e7ebe0aeba26851c1542c80b4c8cf78474b204c7f9ee6c7e78f6b2562624debe9d98e1d3cee9ad573deeb91a097429c2012bb2

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